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CVE-2026-9040· NVD / CVE Program· CNA Arm

Mali GPU Kernel Driver allows denial of service or disclosure of sensitive information

A race condition vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform improper GPU memory processing operations to cause a denial of service or disclose sensitive information. This issue affects Bifrost GPU Kernel Driver: from r12p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r19p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.

HighCVSS 7.7 · v3.1—No exploit No fix recorded
Published
Sep 8, 2026
Updated
Sep 10, 2026
EPSS
0.1% · 2th percentile
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Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.7 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Arm). Independent of NVD's CPE analysis and usually ahead of it.

  • Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver

    • r56p0not affected
    • r55p0affected
    • r41p0 and later · up to and including r49p5affected · patch
    • r50p0 and later · up to and including r54p3affected · patch
  • Arm Ltd Bifrost GPU Kernel Driver

    • r12p0 and later · up to and including r49p5affected · patch
    • r50p0 and later · up to and including r51p0affected · patch
    • r54p1 and later · up to and including r54p2affected · patch
  • Arm Ltd Valhall GPU Kernel Driver

    • r56p0not affected
    • r55p0affected
    • r19p0 and later · up to and including r49p5affected · patch
    • r50p0 and later · up to and including r54p3affected · patch

Other highest-scoring records for the same primary product.

  • CVE-2026-7477Mali GPU Kernel Driver allows access to already freed memory
    31Monitor
  • CVE-2026-7476Mali GPU Kernel Driver allows access to already freed memory
    31Monitor
  • CVE-2026-12387Mali GPU Kernel Driver allows access to already freed memory
    20Monitor
  • CVE-2026-0001Mali GPU Kernel Driver allows access to already freed memory
    17Monitor
  • CVE-2026-12285Mali GPU Kernel Driver allows access to already freed memory
    16Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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